1、He read the letter to all his friend【改被动语态】

1、The letter was read to all his friends.
2、My books will be lend to nobody.
3、The magazine was handed to me.
4、Will these things be send to your brother?
5、A dictionary was bought for her brother (by her).
6、Will some cake be saved for your sister?
7、Some books must be choosen for your brother.
8、He was named (to be 或者as或者空着) ‘hero’.
9、The place was found to be a wonderful village.
1-6都是间接宾语和直接宾语均存在的情况,借给、递给、送给、买给、省给某人某东西,这种情况下作为物的宾语是被动句的主语,而人则变成一个趋向,需要一个介词来连接,退一步讲,按照意思来翻译也应该是这样的.第7句揭示了双宾语的实质,实际上间接宾语的人本来的意思就是动作的一个趋向,比如第7句你也可以说成 We must choose him some books.8和9是典型的宾语+补足语（或者说同位语）,这种情况下可以用 to be来连接原来的宾语成分和对应的补足语成分.
所以改被动句并没有一个固定的模式,完全取决于动词的的用法和搭配.